AEM 50/50 tune

[thilaksharma]

I have a AEM one generation older meth kit which doesnt come with check valve
I bought a mechanical check valve n fitted it

2.0, FP Green , aiming for 30-35psi of boost
it did hit 420 on a dynojet with 30psi of boost on 93 octane fuel

i fitted the medium nozzle size by AEM rated for 300-450hp engine
the car is currently misfiring and jerking when the injection starts
i have set the AEM to start at 10psi (backdraw of the AEM minimum 10psi set)

how should i go up with the tune , should i tune it to be leaner a lil bit first or should i go for higher timing first ?

thank you

 

[toofast82]

I'd ask an expert, but possibly you want to jump to a slightly larger nozzle if you're at the end of this one's capacity.
Tune your a/fs first to around 12:1 for starters and maybe lean out to 12.5:1 if power still increases slightly